function response = readCCP(ccp_path)
% 读取 offset_pwrm 的输出ccp文件

    fid = fopen(ccp_path, 'rb', 'b');
    if fid == -1
        error("cannot open: %s", ccp_path);
    end

    fseek(fid, 0, 'eof');
    fsize = ftell(fid); 
    fseek(fid, 0, 'bof');

    N = fsize / 5;
    response = fread(fid, N*2, "single"); 
    response = single(response);
    
    fclose(fid);
end
